The duo are at Longleat Safari Park in Wiltshire, where they join the keepers to feed the koalas, sea lions and giraffes. Plus they're rolling up their sleeves to help prepare food for the park's twelve hundred residents, including mixing an insect porridge to feed a hungry anteater. But will Ranvir and Alex get to the middle of Longleat's famous hedge maze, which is the longest in Britain?